Linux Basics

This step by step tutorial explains three different ways to configure static IP address in Linux and Unix operating systems.

In this article, we will focus on how to do mathematical operations in bash…

This guide explains what is Select loop in Bash scripting and how to use Bash select loop to create a menu-driven script with examples.

This guide lists all possible ways to find the mounted filesystem type in Linux and Unix-like operating systems.

Running out of disk space? It is time to find out which directories and files are occupying the most disk space using Agedu utility.

This guide explains what is Ncdu, how to install Ncdu in various Linux distributions and how to use Ncdu to check disk space usage in Linux and Unix operating systems.

This step by step tutorial explains what is Reptyr application and how to move…

This brief tutorial explains how to force users to use strong passwords using Pluggable…

This brief guide explains how to force sudo password authentication for all users or a specific user in Linux operating systems.

This tutorial explains how to add, delete and grant Sudo privileges to users in Ubuntu 22.04 and 20.04 LTS editions.